Local Calling Guide

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North Beach, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-257 A NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 A NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 0 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 1 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-07-15   
410-286 2 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 3 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 4   145J TERRA NOVA TELECOM INC. 238   2022-04-20   
410-286 5 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 6 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 7 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 8 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
410-286 9 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238      
443-237 A BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
443-550 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-550 0 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2025-01-19   
443-550 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2011-10-14   
443-550 2 CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 238   2004-02-05   
443-550 3 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2005-03-10   
443-550 4 BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238   2003-12-25   
443-550 5 PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2008-01-03   
443-550 6 NRBHMDNEDS0  9212 VERIZON MARYLAND, INC. 238   2004-10-01   
443-550 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
443-550 8 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-02-07   
443-550 9 BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2005-07-15   
443-646 A BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-646 1 BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
443-646 2 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2016-12-02   
443-646 3 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-06-04   
443-646 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-23   
443-646 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2014-05-01   
443-646 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-08-05   
443-646 7 BLTMMDDN2MD  508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-646 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-23   
443-646 9 BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-26   
443-964 A BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
443-964 0 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-964 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-10-17   
443-964 2 BLTMMDFMDS0  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2006-07-31   
443-964 3 BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2010-02-01   
443-964 4 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2008-03-07   
443-964 5 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2011-06-28   
443-964 6 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2012-07-08   
443-964 7 BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-964 8 BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-01-22   
443-964 9 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2010-01-02   
667-373 A BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-373 0   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-373 1   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-373 2 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-373 3   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-373 4 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
667-373 5 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
667-373 6 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-373 7 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-03-29   
667-373 8 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
667-373 9 BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-06-26   
667-962 A BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-962 0 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-962 1 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-962 2 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-23   
667-962 3 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-23   
667-962 4 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-29   
667-962 5 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-29   
667-962 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-22   
667-962 7 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-962 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-23   
667-962 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-23   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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